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NSN 5305-01-260-0403

Panel Screw

About this product

2.050 inches fastener length, knurled no. 1 head style, 0.750 inches head diameter, head height: 0.250 inches .

Manufacturer part number 68057-3 for national stock number 5305012600403.

Datasheet

  • Product description

    Externally Relieved Body Screw NSN 5305-01-260-0403.

  • MPN or Model

    68057-3

  • Schedule B
    7318.15.2000 (Bolts and bolts and their nuts or washers exported in the same shipment)
  • NMF (National Motor Freight)
    093486 - Bolts, Nuts Or Screws, NOI (sub 3)
  • Thread Class
    2a
  • Thread Direction
    Right-hand
  • Thread Length
    0.500 inches
  • Fastener Length
    2.050 inches
  • Head Style
    Knurled no. 1
  • Head Diameter
    0.750 inches
  • Head Height
    0.250 inches
  • First Diameter From Head
    0.500 inches
  • Second Diameter From Head
    Between 0.182 inches and 0.187 inches
  • Distance From Largest Bearing Surface Of Head To End Of First Diameter
    0.100 inches
  • Distance From Largest Bearing Surface Of Head To End Of Second Diameter
    1.550 inches
  • Point Style
    Flat
  • Internal Drive Style
    Slot
  • Thread Diameter
    0.250 inches
  • Thready Qty Per Inch (tpi)
    20
  • Externally Relieved Body Diameter Quantity
    2
  • Material
    Steel comp 302
  • Material Specification
    Qq-s-763, cond a federal specification single material response
  • Surface Treatment
    Passivate
  • Surface Treatment Specification
    Qq-p-35 federal specification single treatment response
  • Thread Series Designator
    Unc
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Externally Relieved Body Screw

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

Mechanic Bill explains Panel Screw

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NSN 5305012600403

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
68057-3 Rockwell Collins, Inc.
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